Hoshizaki KM-260BAH User Manual download pdf (Page 53)

3. COMPRESSOR

WARNING

The compressor terminal cover must be refitted in its correct position.

Otherwise, operation under high temperature and high humidity conditions

may cause electric shock, ﬁ re, or corrosion to shorten the service life.

CAUTION

1. Always install a new drier every time the sealed refrigeration system is

opened.

2. Do not replace the drier until after all other repair or replacement has

been made. Install the new drier with the arrow on the drier in the

direction of the refrigerant ﬂ ow.

3. When brazing, protect the drier by using a wet cloth to prevent the drier

from overheating. Do not allow the drier to exceed 250°F (121°C).

1) Unplug the icemaker or disconnect the power source.

2) Remove the top panel and rear panel.

3) Recover the refrigerant and store it in a proper container, if required by an applicable

law (see “1. [b] REFRIGERANT RECOVERY”).

4) Remove the terminal cover on the compressor, and disconnect solderless terminals.

5) Disconnect the discharge and suction pipes using brazing equipment.

6) Remove the hold-down bolts, washers and rubber grommets.

7) Slide and remove the compressor. Unpack the new compressor package.

8) Attach the rubber grommets of the previous compressor.

9) Clean the suction and discharge pipes with an abrasive cloth/paper.

10) Place the compressor in position, and secure it using the bolts and washers.

11) Remove plugs from the compressor suction and discharge pipes.

12) Braze the access, suction and discharge lines (Do not change this order), with

nitrogen gas ﬂ owing at a pressure of 0.2 - 0.3 bar.

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Hoshizaki KM-260BAH User Manual Page 53